Academic and Students Welfare division of the university provides residential facilities for about 65% of its students’ population with the university owned three hostels. Rajagiriya Girls’ Hostel which is situated in No. 137, Walawu Watta Road, Rajagiriya has the capacity of 780 where the Dehiwala Girls Hostel and the Dehiwala Keerthi Herath Boys Hostel is in 146, Anagarika Dharmapala Mawatha, Dehiwala can be accommodated 344 and 400 students respectively.

Calling applications, selecting and providing hostel facilities to the students is a responsibility of the Students Welfare Division. The selection for residential facility is done according to selection criteria where the students from the low-income families and from distant residences are given preference.

The administration of the hostels is the responsibility of the full-time sub wardens. Senior academics of the three faculties are appointed annually as the academic sub wardens who are responsible for overall management of the hostels, maintenance of discipline and overseeing the welfare facilities provided to resident students.

For an academic year, the University charges Rs. 440/- as the hostels fee.  Meals are available in the canteen for the resident students Dehiwala Hostel premises. Most of other resident students cook their own.